litbib.sty

% =================================================================================
% omni 2018
% =================================================================================
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{litbib}

% ================================================================================= PACKAGES
% Require as not to load multiple times
\RequirePackage{ifthen}						% needed for \ifthenelse in \lit
\RequirePackage{xkeyval}					% define commands with keys (arg1=val1)
\RequirePackage{environ}                    % define custom environments with \BODY
\RequirePackage{etoolbox}                    % because why not
\RequirePackage{url}

% ================================================================================= CONFIG


% enable continuous numbering on seperate bibliographies
\newif\ifcc
\DeclareOption{crosscite}{
	\cctrue
}

\newif\ifcl
\DeclareOption{customlabel}{
	\cltrue
}

\ProcessOptions\relax

% if crosscite is enabled
\ifcc
	\newcounter{contbib}
\fi


% Formated Bibliography
\NewEnviron{litbib}[2][Bibliography]{
	\begingroup%
		\chapter{#1}% TODO switch between chapter and section; either automatically or by an option

		% potential pretext to bibliography entries
		#2

		% HIDE <<Literatur>> Heading
			% article
			\renewcommand{\section}[2]{}%
			% other types
			\ifcsdef{chapter}%
				{%
				\renewcommand{\chapter}[2]{}% HIDE <<Literatur>> Heading
				}{}

		% thebibliography <
			\begin{thebibliography}{99}%
			\ifcc%
				\setcounter{enumiv}{\value{contbib}}%
			\fi%
			\BODY
			\ifcc%
				\setcounter{contbib}{\value{enumiv}}%
			\fi%
			\end{thebibliography}%
		% thebibliography >
	\endgroup%
}

\makeatletter
% ========= KEY DEFINITIONS =========
	\define@cmdkey{LIT}[LIT@]{authors}{}%
	\define@cmdkey{LIT}[LIT@]{year}{}%
	\define@cmdkey{LIT}[LIT@]{title}{}%
	\define@cmdkey{LIT}[LIT@]{edition}{}%
	\define@cmdkey{LIT}[LIT@]{volume}{}%
	\define@cmdkey{LIT}[LIT@]{issue}{}%
	\define@cmdkey{LIT}[LIT@]{isbn}{}%
	\define@cmdkey{LIT}[LIT@]{doi}{}%
	%[<IN>.]
	\define@cmdkey{LIT}[LIT@]{inEditors}{}%
	\define@cmdkey{LIT}[LIT@]{inYear}{}%
	\define@cmdkey{LIT}[LIT@]{inTitle}{}%
	\define@cmdkey{LIT}[LIT@]{inEdition}{}%
	\define@cmdkey{LIT}[LIT@]{inPages}{}%
	\define@cmdkey{LIT}[LIT@]{inVolume}{}%
	\define@cmdkey{LIT}[LIT@]{inIssue}{}%
	\define@cmdkey{LIT}[LIT@]{inIsbn}{}%
	\define@cmdkey{LIT}[LIT@]{inDoi}{}%
	%<PUBLISHER>
	\define@cmdkey{LIT}[LIT@]{pubLocation}{}%
	\define@cmdkey{LIT}[LIT@]{pubPublisher}{}%
	%[<ADDITIONS>.]
	%\define@cmdkey{LIT}[LIT@]{addInetSrc}{}%
	\define@cmdkey{LIT}[LIT@]{addInetSrc}{}%
	\define@cmdkey{LIT}[LIT@]{addInetDate}{}%
	\define@cmdkey{LIT}[LIT@]{addNote}{}%
	% custom marking to be used when package option "customlabel" is set
	\define@cmdkey{LIT}[LIT@]{label}{}%
% ========= KEY DEFAULTS =========
\setkeys{LIT}{
	authors = n.a.,
	year = n.d.,
	title = n.t.,
	edition =,
	volume =,
	issue =,
	isbn =,
	doi =,
	%[<IN>.]
	inEditors =,
	inYear =,
	inTitle =,
	inEdition =,
	inPages =,
	inVolume =,
	inIssue =,
	inIsbn =,
	inDoi =,
	%<PUBLISHER>
	pubLocation =,
	pubPublisher =,
	%[<ADDITIONS>.]
	addInetSrc =,
	addInetDate =,
	addNote =,
	label = ERR-NO-LABEL-SET
}
\newcommand{\lit}[2]{%
	\begingroup%
	\setkeys{LIT}{#1}% Set new keys
	\newcommand{\content}{
		% <AUTHORS>
		\LIT@authors%
		% <year>
		~(\LIT@year).%
		% <TITLE>
			% <title>
			~\textit{\LIT@title}%
			% [,<NUMBER>].
			\ifthenelse{\equal{\LIT@edition}{}}%
			% [ (edition)]
				% if edition not set
				{}%
				% if edition set
				{~({\LIT@edition}~ed.)}%
			\ifthenelse{\equal{\LIT@volume}{}}%
				% if volume is not set
				{%
					\ifthenelse{\equal{\LIT@issue}{}}%
						% and issue is not set
						{.}%
						% and issue is set
						{,~(\LIT@issue).}%
				}%
				% if volume is set
				{%
					\ifthenelse{\equal{\LIT@issue}{}}%
						% and issue is not set
						{,~Vol.\LIT@volume.}%
						% and issue is set
						{,~Vol.\LIT@volume(\LIT@issue).}%
				}%
			% [ {(ISBN: <isbn>)|(DOI: <doi>)}]
			\ifthenelse{\equal{\LIT@isbn}{}}%
				% if isbn is not set
				{%
					\ifthenelse{\equal{\LIT@doi}{}}%
						% and doi is not set
						{}%
						% but doi is set
						{~DOI:~\LIT@doi.}%
				}%
				% if isbn is set
				{~ISBN:~\LIT@isbn.}%
		% <IN> // Only if title set
		\ifthenelse{\equal{\LIT@inTitle}{}}%
			% if in title is not set
			{}%
			% if in title is set
			% [<AUTHORS>. ]
			{~In:%
				\ifthenelse{\equal{\LIT@inEditors}{}}%
					% if editor is not set
					{}%
					% if editor is set
					{~\LIT@inEditors~(Ed.),}%
			% <TITLE>
				% <title>
				~\textit{\LIT@inTitle}%
				\ifthenelse{\equal{\LIT@inEdition}{}}%
				% [ (inEdition)]
					% if inEdition not set
					{}%
					% if inEdition set
					{~({\LIT@inEdition}~ed.)}%
				\ifthenelse{\equal{\LIT@inYear}{}}%
					% if year not set
					{}%
					% if year set
					{,~(published \LIT@inYear)}%
				% [,<NUMBER>]
				\ifthenelse{\equal{\LIT@inVolume}{}}%
					% if volume is not set
					{%
						\ifthenelse{\equal{\LIT@inIssue}{}}%
							% and issue is not set
							{}%
							% and issue is set
							{,~(\LIT@inIssue)}%
					}%
					% if volume is set
					{%
						\ifthenelse{\equal{\LIT@inIssue}{}}%
							% and issue is not set
							{,~Vol.\LIT@inVolume}%
							% and issue is set
							{,~Vol.\LIT@inVolume(\LIT@inIssue)}%
					}%
					% [, p.<first_page>-<last_page>]
					\ifthenelse{\equal{\LIT@inPages}{}}%
						% if pages is not set
						{.}%
						% if pages is set
						{,~p.\LIT@inPages.}%
					% [ {(ISBN: <isbn>)|(DOI: <doi>)}]
					\ifthenelse{\equal{\LIT@inIsbn}{}}%
						% if isbn is not set
						{%
							\ifthenelse{\equal{\LIT@inDoi}{}}%
							% if doi is not set
							{}%
							% if doi is set
							{~DOI:~\LIT@inDoi.}%
						}%
						% if isbn is set
						{~ISBN:~\LIT@inIsbn.}%
				}% </IN>
			% <PUBLISHER>.
			\ifthenelse{\equal{\LIT@pubLocation}{}}%
				% if location is not set
				{}%
				% if location is set
				{~\LIT@pubLocation,}%
			\ifthenelse{\equal{\LIT@pubPublisher}{}}%
				% if publisher is not set
				{}%
				% if publisher is set
				{~\LIT@pubPublisher.}%
			% [<ADDITIONS>.]
			\ifthenelse{\equal{\LIT@addInetSrc}{}}%
				% if source is not set
				{}%
				% if source is set
				{~Retreived~from:~\LIT@addInetSrc~[\LIT@addInetDate].}%
	}%
	\ifcl%
		\bibitem[\LIT@label]{#2}{\content}%
	\else%
		\bibitem{#2}{\content}%
	\fi%
	\endgroup%
}
\makeatother
% <AUTHORS> (<year>). <TITLE> [(edition)].[ <IN>.][ <PUBLISHER>.][ <ADDITIONS>.]
%
% <AUTHORS>   := <AUTHOR>[, <AUTHORS>]
% <AUTHOR>    := <Last Name>, <First Name Initial>.
%
% <TITLE>     := <title>[ (inEdition)][, (published <year>)][, <NUMBER>][ {(ISBN: <isbn>)|(DOI: <doi>)}]
%
% <IN>        := In: [<AUTHORS>. ]<TITLE>
% <NUMBER>    := [Vol. <volume_number>] [(<issue_number>)][, p.<first_page>-<last_page>]
%
% <PUBLISHER> := [<city>, [<state>,] <country>. ]<publisher>
%
% <ADDITIONS> := {<INTERNET>|<NOTE>}[, <ADDITIONS>]
% <INTERNET>  := Retreived from: <url> "["<YYYY-MM-DD>"]"
% <NOTE>      := Note: <remark>

% Temporary Hack to add structure to the Bibliography without having to start a new one: Subsections between the \lit items
\newcommand{\lithead}[1]{\protect\smallskip\protect\subsubsection{#1}}

\endinput